Product Description Equipment List on Plastic Recycling Line Wrapper Collector on Plastic Recycling Line Crider crushes PET bottles as well as wrappers into flakes. Wrappers are suck into wrapper collector by aspirator. There is a 6-holes filter for dust elimination. And rotary valve for discharging. With filter bags fixed on the wrapper collector, no dust will discharged during production process. The rotary valve can keep the airflow of the system in a stable level.